Finding the Fourth Proportional to 19,610.43, 27,062.99 and 12,061.20

Step by Step Solution

1. Step 1: Write the proportion equation
   19,610.43 : 27,062.99 = 12,061.20 : x
2. Step 2: Convert to fraction form
   19,610.43/27,062.99 = 12,061.20/x
3. Step 3: Cross multiply
   19,610.43x = 27,062.99 × 12,061.20
4. Step 4: Simplify right side
   19,610.43x = 326,412,097.48
5. Step 5: Solve for x
   x = 326,412,097.48/19,610.43
6. Step 6: Final answer
   x = 16,644.82